[Debian-astro-maintainers] Bug#1088310: gyoto: autopkgtest failure with Python 3.13

[Graham Inggs]

Source: gyoto
Version: 2.0.2-4
Severity: serious
User: debian-python at lists.debian.org
Usertags: python3.13

Hi Maintainer

The autopkgtests of this package fail with Python 3.13 [1].  I've
copied what I hope is the relevant part of the log below.

Regards
Graham


[1] https://ci.debian.net/packages/g/gyoto/testing/amd64/


1155s Thread terminating after integrating 1024 photons
1155s Raytraced 1024 photons in 108.922s using 1 thread
1155s
1155s Saving to file:
!/tmp/autopkgtest-lxc.jpgha9d4/downtmp/python-gyoto-artifacts/python3/example-torus-PythonKerrBL.fits
1155s **** Testing Python version: python3.13 ****
1155s Traceback (most recent call last):
1155s   File "/tmp/autopkgtest-lxc.jpgha9d4/downtmp/autopkgtest_tmp/python/example.py",
line 25, in <module>
1155s     import gyoto.core
1155s   File "/usr/lib/python3/dist-packages/gyoto/__init__.py", line
8, in <module>
1155s     from gyoto.core import *
1155s   File "/usr/lib/python3/dist-packages/gyoto/core.py", line 22,
in <module>
1155s     from . import _core
1155s ImportError: cannot import name '_core' from partially
initialized module 'gyoto' (most likely due to a circular import)
(/usr/lib/python3/dist-packages/gyoto/__init__.py)